<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <!-- 666 -->
    哈&nbsp;&nbsp;哈&nbsp;&nbsp;哈
    &lt;p&gt;是段落标签
</body>

</html>